Question

Sendo P(x) = -2+x-1 e Q(x) = -x+1, determine:
A) P(x) + Q(x) =
B) P(x) - Q(x)=
C) P(x) = x^3-2x^2+x-1
D) Q(x) = x^2-x+1.

Answer 1

Tarefa

Sendo P(x) = -2+x-1 e Q(x) = -x+1, determine:  

P(x) = -2 + x - 1 = x - 3, Q(x) = -x + 1

A) P(x) + Q(x) =   x - 3 - x + 1 = -2

B) P(x) - Q(x)=   x - 3 + x - 1 = 2x - 4

C) P(x) = x^3-2x^2+x-1  

D) Q(x) = x^2-x+1.